<?php

namespace common\models;

use Yii;
use yii\db\ActiveRecord;
use yii\web\IdentityInterface;

/**
 * Created by PhpStorm.
 * User: Yue
 * Date: 2017-8-23
 * Time: 1:14
 */
class User extends ActiveRecord implements IdentityInterface{

    const STATUS_DELETED = 0;
    const STATUS_ACTIVE = 1;

    public static function findByUsername($username){
        return static::findOne(['username' => $username, 'status' => self::STATUS_ACTIVE]);
    }

    /**
     * Finds an identity by the given ID.
     * @param string|int $id the ID to be looked for
     * @return IdentityInterface the identity object that matches the given ID.
     * Null should be returned if such an identity cannot be found
     * or the identity is not in an active state (disabled, deleted, etc.)
     * @throws \yii\db\Exception
     */
    public static function findIdentity($id){
        // TODO: Implement findIdentity() method.
        return static::findOne(['id' => $id, 'status' => self::STATUS_ACTIVE]);
    }

    /**
     * Finds an identity by the given token.
     * @param mixed $token the token to be looked for
     * @param mixed $type the type of the token. The value of this parameter depends on the implementation.
     * For example, [[\yii\filters\auth\HttpBearerAuth]] will set this parameter to be `yii\filters\auth\HttpBearerAuth`.
     * @return IdentityInterface the identity object that matches the given token.
     * Null should be returned if such an identity cannot be found
     * or the identity is not in an active state (disabled, deleted, etc.)
     */
    public static function findIdentityByAccessToken($token, $type = null)
    {
        // TODO: Implement findIdentityByAccessToken() method.
    }

    /**
     * Returns an ID that can uniquely identify a user identity.
     * @return string|int an ID that uniquely identifies a user identity.
     */
    public function getId(){
        // TODO: Implement getId() method.
        return $this->getPrimaryKey();
    }

    /**
     * Returns a key that can be used to check the validity of a given identity ID.
     *
     * The key should be unique for each individual user, and should be persistent
     * so that it can be used to check the validity of the user identity.
     *
     * The space of such keys should be big enough to defeat potential identity attacks.
     *
     * This is required if [[User::enableAutoLogin]] is enabled.
     * @return string a key that is used to check the validity of a given identity ID.
     * @see validateAuthKey()
     */
    public function getAuthKey(){
        // TODO: Implement getAuthKey() method.
        return $this->auth_key;
    }

    /**
     * Validates the given auth key.
     *
     * This is required if [[User::enableAutoLogin]] is enabled.
     * @param string $authKey the given auth key
     * @return bool whether the given auth key is valid.
     * @see getAuthKey()
     */
    public function validateAuthKey($authKey){
        // TODO: Implement validateAuthKey() method.
        return $this->getAuthKey() === $authKey;
    }
}